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7437034 |
Device for coupling the light of multiple light sources
A device for coupling the light of multiple light sources ( 2, 3 ) that substantially consists of a reflectance surface ( 10, 11 ) for one or more of said light sources ( 2, 3 ) and at least one...
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7423806 |
Microscope system with a beam hub unit having a beam multiplexer for alternatively selecting beam ports
A microscope system having an objective lens ( 10 ) defining a central optical axis ( 14 ) of the microscope system; an optical beam hub unit ( 18, 20 ) having a center coinciding with the central...
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7391573 |
Substrate-guided optical devices
There is provided an optical device, having a light-transmitting substrate having at least two major surfaces ( 26 ) parallel to each other and edges; optical means ( 16 ) for coupling light waves...
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7390095 |
Projector
Aspects of the invention can provide a projector that includes three optical modulators which modulate respectively red light, green light, and blue light, a color-synthetic optical system which...
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7364302 |
Projection display system using multiple light sources and polarizing element for using with same
An image projection system has two illumination beams of different colors. A first polarizing beamsplitter (PBS) has first and second input faces. Light of the first color is incident on the first...
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7307787 |
Beam splitting prism, method of manufacturing beam splitting prism, and all-optical switching device
In order to obtain a beam splitting prism which a beam can be split with simpler configuration in a state in which an optical path length is precisely controlled, there is provided a beam splitting...
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7301686 |
Optically controlled optical-path-switching apparatus, and method of switching optical paths
An optical signal optical path switching method comprising steps of using a thermal lens based on a distribution of refractive index produced reversibly caused by temperature increase generated in...
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7298558 |
Electronic adjustable color filter device
An electronically adjustable, combinational color filter device is provided for generating color light. Incoming light is split in a polarizing beam splitter/combiner into a first and a second...
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7289218 |
Optical component for directing electromagnetic radiation
A passive optical component directs first electromagnetic radiation incident on the component in a first direction and second electromagnetic radiation incident on the component in a second...
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7277213 |
Aperture plate and related system and method
An aperture plate includes an opening and a surface adjacent to the opening. The opening passes electromagnetic energy such as light to a reflector that is aligned with the opening and that directs...
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7242748 |
X-ray transmissive optical mirror apparatus
A mirror is reflective to light and transmissive to x-rays. The mirror has a continuous mirror surface and an x-ray aperture within a body portion of the mirror proximate the continuous mirror...
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7215491 |
Optical path switching device and method
An optical path switching method includes converging and irradiating, on a light absorption layer film provided in a thermal lens forming element including at least the film, each of a control...
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7210788 |
Color prism and projection-type image display apparatus employing the same
A color prism capable of separating incident light into four color beams and synthesizing incident four-color beams, and a projection-type image display apparatus employing the color prism. The...
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7207678 |
Prism for high contrast projection
Prism elements having TIR surfaces placed in close proximity to the active area of a SLM device to separate unwanted off-state and/or flat-state light from the projection ON-light bundle. The TIR...
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7203005 |
Real image configuration for a high efficiency heads-up display (HUD) using a polarizing mirror and a polarization preserving screen
An image display system includes a polarized image projection device, a polarization preserving transmissive diffusiver, and a polarizing reflector element as a non-blocking mirror (referred to as...
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7187500 |
Peak power and speckle contrast reduction for a single layer pulse
A system and method for reducing peak power of a laser pulse and reducing speckle contrast of a single pulse comprises a plurality of elements oriented to split and delay a pulse or pulses...
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7187270 |
Vehicle display device and light guide plate thereof
Disclosed are a vehicle display device providing excellent visibility and does not obstruct a sight ahead of a driver, regardless of a frame, a seating position and the like of the driver. The...
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7088517 |
Beam splitter device or laser-scanning microscope
The subject matter of the invention is a beam splitter device having two spaced apart parallel highly reflecting mirrors, between which there is disposed a semireflecting mirror which is spaced a...
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7075692 |
Optical scanning apparatus and projecting apparatus
The present invention provides an optical scanning apparatus which has a light modulating element capable of changing the propagating state of light, an illuminating optical system for illuminating...
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7061683 |
Method and a device for the combination of a first and second beam of rays
A method for combining a first and a second ray bundle includes forming a first partial beam and a second partial beam by the first ray bundle interacting with a first beam-splitter layer, and...
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7011419 |
Method and system for changing the cross-sectional profile of a beam of light
A technique for changing the cross-sectional profile of a beam of light from, for example, circular or elliptical to thin involves dividing the beam of light into cross-sectional portions, rotating...
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6963454 |
Head-mounted display by integration of phase-conjugate material
This invention has incorporated projective optics and phase conjugate material thus eliminating the requisite use of an external phase conjugate material to provide a see-through head mounted...
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6956701 |
Method and apparatus for combining light paths of multiple colored light sources through a common integration tunnel
Embodiments of this invention include a system, method and apparatus for combining light paths of multiple colored light sources through a common integration tunnel.
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6937221 |
Scanned beam display
A display apparatus includes first and second IR or other light sources that produce light at respective first and second non-visible wavelengths. The light is modulated according to a desired...
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6919990 |
Methods and systems for low loss separation and combination of light
A display system is disclosed that includes a light source, an integrator rod receiving a light beam from the light source and producing an integrated light beam, a beam splitting device splitting...
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6888679 |
Laser diode bar integrator/reimager
A beam integrator system, which integrates multiple beams into fewer beams of increased intensity by using a combination of optical elements and lenses.
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6863400 |
Tiled projection display using spatial light modulators
A projection apparatus ( 10 ) forms a tiled image ( 12 ) on a display surface ( 14 ), the tiled image ( 14 ) having at least two adjacent image tile segments. The projection apparatus ( 10 )...
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6836379 |
Catadioptric objective
A catadioptric objective is provided with a beam splitter surrounded at least partially by a mount, with a mirror, with a plurality of lenses and with a λ/4 plate arranged between the mirror and...
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6831789 |
Rotating periodic color-regulating module of an image display device
A rotating periodic color-regulating module of the image display device is disclosed to improve the usage of light. The rotating periodic color-regulating module comprises a color separating light...
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6829095 |
Substrate-guided optical beam expander
The invention provides an optical device, including a light-transmitting substrate, optical means for coupling light into the substrate by total internal reflection, and a plurality of partially...
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6816318 |
BEAM SHAPING DEVICE FOR SHAPING THE CROSS-SECTION OF A LIGHT BEAM AND SYSTEM FOR LAUNCHING INTO AN OPTICAL FIBER A LIGHT BEAM HAVING AN ELONGATED CROSS-SECTION AND BEING EMITTED BY AN ELONGATED LASER BEAM SOURCE
The invention relates to a beam shaping device for shaping the cross-section of a light beam, comprising at least one beam shaping unit with beam splitting means, beam deflecting means, and beam...
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6807010 |
Projection display apparatus having both incoherent and laser light sources
A color display apparatus for forming, on a display surface, a color image of superimposed color images, the display apparatus having a first color modulation channel for forming a first color...
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6789901 |
System and method for providing images for an operator of a vehicle
A system and method for providing images for an operator of a vehicle include the capability to receive electrical signals representing electromagnetic radiation at an image source and to generate...
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6774366 |
Image integration and multiple laser source projection
An apparatus and method for enhancing an image relayed by a central beam of collimated light centered on the optical axis of a lens with an aperture area of A and focused on the focal plane of the...
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6765725 |
Fiber pigtailed high power laser diode module with high brightness
A partially mirror coated parallelepipedal form is oriented to divide collimated beams along the longitudinal axes from a plurality of diode lasers arranged side-by-side along their transverse...
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6710924 |
Spectroscope with multiple laser beams
A spectroscope has a body having a front surface, a rear surface, and a concavity provided in the rear surface. The concavity is defined by a plurality of angled reflective surfaces. A laser beam...
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6704144 |
Color separation prism assembly compensated for contrast enhancement and implemented as reflective imager
This invention discloses a color separation prism assembly. The prism assembly includes three triangular-shaped prisms having identical shape and size. Each of the three triangular-shaped prisms...
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6680798 |
Optical reduction system with control of illumination polarization
An optical reduction system with polarization dose sensitive output for use in the photolithographic manufacture of semiconductor devices having variable compensation for reticle retardation before...
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6665124 |
Geometrical beam splitter and a sensor for multi-element detectors
The invention relates to a geometrical beam splitter, e.g. in a sensor, for transversally dividing a radiation beam ( 4 ) into at least one reflected beam portion ( 5 R ) and at least one passing...
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6642995 |
Mask-to-wafer alignment system
A modified beam splitter that has a hole pattern that is symmetric in one axis and anti-symmetric in the other can be employed in a mask-to-wafer alignment device. The device is particularly suited...
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6639743 |
Cooling mechanism of optical modulator, optical modulator attachment unit and projector
A support member ( 311 ) for supporting liquid crystal panels ( 441 R, 441 G, 441 B) is disposed parallel to a cooling air flow channel formed between a light-incident end of a cross dichroic...
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6603443 |
Compact display system controlled by eye position sensory system
A compact virtual image electronic display system including a beamsplitting magnification optic on which a source object is projected, the beamsplitting magnification optic having a refractive...
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6583940 |
Projection system
A projection system that is capable of providing a high-performance projection system and producing a high contrast projection image by using an optical modulation element, which can be positioned...
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6580561 |
Quasi-optical variable beamsplitter
A variable beamsplitter ( 10 ) for use with quasi-optical millimeter-wave beams. The beamsplitter ( 10 ) consists of a circular metal plate ( 20 ) into which a periodic array ( 30 ) of rectangular...
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6572233 |
Rearview mirror with display
A mirror includes a housing, an electrochromic mirror subassembly in the housing including front and rear transparent elements, a layer of electrochromic material associated with the front and rear...
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6563646 |
Portable laser layout instrument
A laser beam projecting instrument primarily for construction purposes, and preferably self-leveling, produces four or five orthogonal output beams. The high-intensity central portion of a...
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6556351 |
System and method for attitude determination based on optical imaging
A method and apparatus is provide for receiving a first set of optical data from a first field of view and receiving a second set of optical data from a second field of view. A portion of the first...
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6545814 |
Optical architectures for combining multiple lamps in light valve projectors
An integrating rod ( 100 ) for combining light beams from two or more sources. A first light beam ( 104 ) enters the integrating rod 100 through a first entrance face ( 102 ) to a first...
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6525884 |
Optical beam splitter that can be manufactured by micromechanical means
A beam splitter has a support frame made of silicon that has a membrane inside made of silicon. The membrane has in particular openings with bridges formed between them. On the side of membrane...
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6517209 |
Color-separating prism utilizing reflective filters and total internal reflection
A color-separating prism for producing narrow-spectral light from broader spectral light includes first, second, and third component prisms that form first and second adjacent pairs of faces. The...
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